All of the planets have at least one moon that is larger than pluto's. false true

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Ammonia enters the expansion valve of a refrigeration system at a pressure of 10 bar and a temperature of 18oc and exits at 6.0 bar. the refrigerant undergoes a throttling process. determine the temperature, in oc, and the quality of the refrigerant at the exit of the expansion valve.

Work = force × a. work b. energy c. distance d. momentum